久久国产欧美日韩精品,日韩国产精品久久久久久亚洲,99视频精品全部免费免费,91精品国产综合久久走光

歐洲石器時期最大的土木防御工事位于威爾特郡的西爾布利山。Europe's biggest Stone Age earthworks are at Silbury Hill in Wiltshire.該防御工事能抵御當(dāng)時所使用的各種進攻手段。The fortress was proof against the techniques of attack then in use.該團在等待敵人進攻之時,加強了防御工事.The reg...

“工事”的拼音為：gōng shì...

“工事”的英語可以翻譯為：[軍] fortifications，defense works，shelter，work ...